what bird lays the biggest egg

The bird that lays the biggest egg of any living species is the ostrich.

Quick Scoop

• The ostrich is the largest living bird, and its eggs are also the largest of any bird alive today.

• A typical ostrich egg can weigh around 1.5–2 kg and is roughly 15 cm long, with a very thick, hard shell.

• If prehistoric birds are included, the extinct elephant bird of Madagascar laid even larger eggs than modern ostriches.

So, if the question is about birds living today , the answer is the ostrich; if all of history is allowed, the elephant bird holds the record.